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IRPSY vs MRK: Dividend Comparison 2026

IRPSY yields 0.64% · MRK yields 2.76%● Live data

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After 10 years · $10,000 invested · DRIP enabled
🏆 MRK wins by $37.0K in total portfolio value
10 years
IRPSY
IRPSY
● Live price
0.64%
Share price
$3.50
Annual div
$0.02
5Y div CAGR
-50%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$19.8K
Annual income
$0.06
Full IRPSY calculator →
MRK
Merck & Co. Inc.
● Live price
2.76%
Share price
$120.31
Annual div
$3.32
5Y div CAGR
32.7%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$56.8K
Annual income
$9,798.13
Full MRK calculator →

Portfolio growth — IRPSY vs MRK

📍 MRK pulled ahead of the other in Year 1

Annual dividend income

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Recession Test — Did They Cut Dividends?

How each stock treated shareholders during the 3 biggest crises of the last 20 years

Crisis PeriodIRPSYMRK
2008–2009
GFC
— No data— No data
2020 Q1–Q2
COVID
— No data— No data
2022 Q4
Rate Hike
— No data— No data
Based on dividend payment history. "Increased" = dividend grew during crisis. "Maintained" = held within 3%. "Cut" = reduced by more than 3%.
📅

Dividend Calendar Overlap

Combined, IRPSY + MRK cover 0 of 12 monthsgood coverage

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
IRPSY pays
MRK pays
Both pay
Neither
💰

Tax Bracket Optimizer

Which stock is actually better after tax? Adjust your rate to find out.

IRPSY
Annual income on $10K today (after 15% tax)
$54.43/yr
After 10yr DRIP, annual income (after tax)
$0.05/yr
MRK
Annual income on $10K today (after 15% tax)
$234.56/yr
After 10yr DRIP, annual income (after tax)
$8,328.41/yr
At 15% tax rate, MRK beats the other by $8,328.36/year in after-tax income after 10 years on $10,000
⚖️

Lazy Portfolio Split Optimizer

What's the optimal mix of IRPSY + MRK for your $10,000?

IRPSY: 50%MRK: 50%
100% MRK50/50100% IRPSY
Portfolio after 10yr
$38.3K
Annual income
$4,899.10/yr
Blended yield
12.80%
📊

Analyst Conviction Gap

Where Wall Street is most bullish on MRK right now

IRPSY
No analyst data
Altman Z
1.7
Piotroski
3/9
MRK
Analyst Ratings
25
Buy
11
Hold
1
Sell
Consensus: Buy
Price Target
$128.54
+6.8% upside vs current
Range: $100.00 — $150.00
Altman Z
4.0
Piotroski
6/9
Analyst ratings via FMP. Altman Z-Score: >3.0 safe, 1.81–3.0 grey zone, <1.81 distress. Piotroski: 7–9 strong, 0–3 weak.
🏛️

Copy Congress — What Are Politicians Buying?

Senate & House STOCK Act disclosures (last 90 days)

IRPSY buys
0
MRK buys
0
No recent congressional trades found for IRPSY or MRK in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricIRPSYMRK
Forward yield0.64%2.76%
Annual dividend / share$0.02$3.32
Payout ratio50%50%
1-year div growth0%0%
5-year div CAGR-50%32.7%
Portfolio after 10y$19.8K$56.8K
Annual income after 10y$0.06$9,798.13
Total dividends collected$64.00$28.9K
Payment frequencyquarterlyquarterly
SectorStockHealthcare

Year-by-year: IRPSY vs MRK ($10,000, DRIP)

YearIRPSY PortfolioIRPSY Income/yrMRK PortfolioMRK Income/yrGap
1← crossover$10,732$32.02$11,206$366.19$474.00MRK
2$11,499$16.06$12,650$502.35$1.2KMRK
3$12,312$8.04$14,407$694.19$2.1KMRK
4$13,178$4.02$16,585$967.82$3.4KMRK
5$14,103$2.01$19,342$1,363.89$5.2KMRK
6$15,091$1.01$22,913$1,947.19$7.8KMRK
7$16,148$0.50$27,662$2,823.89$11.5KMRK
8$17,278$0.25$34,159$4,173.35$16.9KMRK
9$18,488$0.13$43,337$6,308.80$24.8KMRK
10$19,782$0.06$56,776$9,798.13$37.0KMRK

IRPSY vs MRK: Complete Analysis 2026

IRPSYStock

IRPC Public Company Limited, together with its subsidiaries, provides petroleum and petrochemical products in Thailand, Singapore, and internationally. The company operates through Petroleum Products, Petrochemical Products, and Other Business segments. It offers petroleum products, including liquefied petroleum gas, gasohol, gasoline base, diesel, diesel base, gasoline, fuel oil, lube base oil, slack wax, aromatic extract, treated distillate aromatic extract and residue aromatic extract, asphalt, straight-run fuel oil, white spirit, C9 aromatic/aromatic, toluene, xylene, mixed xylenes; and polyethylene, polypropylene, acrylonitrile-butadiene-styrene, acrylonitrile styrene, polystyrene, expandable polystyrene, and additives. It also generates and distributes electricity, power, steam, industrial water, and air systems; and wastewater treatment services for industrial customers. In addition, the company offers port and tank services, such as tugboats, piloting services, lighters, fresh water and fuel, weigh scales, container yards, warehouses, and machines and equipment for the transshipment of goods. Further, it is involved in the provision of asset management and oil vessel renting services; manufacture and distribution of plastic resins; operation of vocational schools; distribution of non-woven fabric products and medical consumables; and distribution of petrochemical products, as well as power plant, jetty, and other utilities operations. The company was formerly known as Thai Petrochemical Industry Public Company Limited and changed its name to IRPC Public Company Limited in October 2006. IRPC Public Company Limited was incorporated in 1978 and is headquartered in Rayong, Thailand.

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MRKHealthcare

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, such as preventive pediatric, adolescent, and adult vaccines. The Animal Health segment discovers, develops, manufactures, and markets veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as digitally connected identification, traceability, and monitoring products. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; Ridgeback Biotherapeutics; and Gilead Sciences, Inc. to jointly develop and commercialize long-acting treatments in HIV. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.

Full MRK Calculator →
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⚠️ Educational purposes only. Not financial advice. Congressional trades sourced from SEC STOCK Act filings via FMP. Past performance does not guarantee future results.